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    <title>Document</title>
    <script type="text/javascript">
        window.onload=function()
        {
            //get和set
            class Phone{
                get price(){
                    console.log("价格属性被读取");
                    //返回值就是属性的值
                    return "!!!!!!";
                }
                set price(x){
                    console.log("价格属性被修改了");
                }
            }

            //实例化对象
            let s=new Phone();
            console.log(s.price);
            s.price="free";
        };
    </script>
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<body>
    
</body>
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